CN221074544U

CN221074544U - Middle body structure with double isolation cavities and emptying system

Info

Publication number: CN221074544U
Application number: CN202323188671.9U
Authority: CN
Inventors: 马义平; 周司同; 范朝阳
Original assignee: Himile Mechanical Manufacturing Co Ltd
Current assignee: Himile Mechanical Manufacturing Co Ltd
Priority date: 2023-11-25
Filing date: 2023-11-25
Publication date: 2024-06-04
Anticipated expiration: 2033-11-25

Abstract

The utility model discloses a middle body structure with double isolation cavities and an emptying system, which belong to the technical field of compressors, and comprise an isolation cavity, wherein a filler connecting plate is arranged in the isolation cavity, a filler device is arranged on the filler connecting plate, the filler connecting plate and the filler device divide the isolation cavity into a first cavity and a second cavity, and a cylinder seat is arranged on the other side of the first cavity; the cylinder seat is connected with a filling seat, and the filling device penetrates through the first cavity and is connected with the filling seat; the second cavity is provided with a purging port and an emptying port, the purging port is connected with a purging pipeline, the emptying port is connected with an emptying pipeline, the purging point and the emptying point of the filling device on the filling connecting plate are both located in the second cavity, the purging pipeline is communicated with the purging point, and the emptying pipeline is communicated with the emptying point. Through the structure, the compressed gas and the inert gas can be prevented from being mixed into the cylinder to influence the purity of the compressed gas.

Description

Middle body structure with double isolation cavities and emptying system

Technical Field

The utility model relates to the technical field of compressors, in particular to a double-isolation-cavity middle body structure and an emptying system.

Background

The central body of the reciprocating compressor is located between the cylinder and the crankcase and is an important component connecting the cylinder and the crankcase. The gas is in the isolation chamber formed by the middle body and the cylinder, the source of the gas is compressed gas generated by leakage of the filler, and inert gas is filled in the isolation chamber for preventing the leakage of the filler, and the mixed gas gathers to cause the pressure in the isolation chamber to increase, so that the gas enters the cylinder to influence the purity of the compressed gas.

In view of the problems of the prior art, the utility model combines the design and use experience of the related art for many years, and aided with the strong expertise, designs and manufactures a double-isolation cavity middle body structure and an emptying system to overcome the defects.

Disclosure of utility model

For the problems in the prior art, the double-isolation-cavity middle body structure and the emptying system provided by the utility model can prevent the purity of the compressed gas from being influenced by the fact that the compressed gas and the inert gas are mixed into the air cylinder.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the middle body structure with the double isolation cavities comprises an isolation cavity, wherein a filler connecting plate is arranged in the isolation cavity, a filler device is arranged on the filler connecting plate, the filler connecting plate and the filler device divide the isolation cavity into a first cavity and a second cavity, and a cylinder seat is arranged on the other side of the first cavity;

the cylinder seat is connected with a filling seat, and the filling device penetrates through the first cavity and is connected with the filling seat;

The second chamber is provided with a purging port and an emptying port, the purging port is connected with a purging pipeline, the purging pipeline blows inert gas, the emptying port is connected with an emptying pipeline, the purging point and the emptying point of the filling device on the filling connecting plate are both located in the second chamber, the purging pipeline is communicated with the purging point, and the emptying pipeline is communicated with the emptying point.

Preferably, the space of the first chamber is smaller than the space of the second chamber.

Preferably, a first chamber gas discharge port is formed in the top of the first chamber;

and a second chamber gas discharge port is arranged at the top of the second chamber.

Preferably, a first chamber drain outlet is arranged at the bottom of the first chamber;

and a second chamber drain outlet is arranged at the bottom of the second chamber.

Preferably, the device further comprises a collecting tank, wherein the second chamber gas discharge port, the second chamber drain port and the emptying port are communicated with the collecting tank through second pipelines;

The first chamber gas discharge port and the first chamber drain port are communicated with the collecting tank through first pipelines.

Preferably, the collecting tank is filled with a treatment medium, and the collecting tank is provided with a lowest liquid level sensor and a highest liquid level sensor.

Preferably, the first and second lines communicating with the collection tank are both located below the level of the treatment medium.

Preferably, an exhaust passage is arranged at the top of the collecting tank, and a one-way exhaust valve is arranged on the exhaust passage.

Preferably, a liquid discharge channel is arranged at the bottom of the collecting tank.

An evacuation system comprising the above-described double-isolated-cavity midbody structure.

The utility model has the advantages that:

1. the isolation cavity in the air cylinder is divided into two cavities by the filler continuous plate and the filler device, and the filler device on the filler connecting plate is plugged by the purging pipeline and the emptying pipeline, so that a large amount of air leaked from the air cylinder exists in the first cavity, and only a small amount of air can leak to the second cavity.

2. According to the utility model, the leaked gas in the first chamber can be remained in the first chamber, and the second chamber is used as a standby chamber of the first chamber, so that the leaked gas can leak to the second chamber instead of being directly discharged outside the first chamber when the first chamber leaks, thereby ensuring that the leaked gas is not discharged randomly and providing conditions for centralized gas treatment.

3. The utility model utilizes the gas discharge port of the first chamber to discharge the gas in the first chamber, and the gas is introduced into the collecting tank for treatment, so that the condition that the gas pressure of the first chamber is too high to enter the cylinder is avoided, the influence of direct discharge on the environment is also avoided, and the gas in the second chamber is discharged by the gas discharge port of the same second chamber and is introduced into the collecting tank for treatment.

4. The first chamber is smaller than the second chamber, and the first chamber is smaller, so that the gas in the first chamber is facilitated to be discharged.

Drawings

FIG. 1 is a schematic diagram of a dual isolated chamber midbody structure and an evacuation system.

In the figure: 1-second chamber, 2-first chamber, 3-cylinder seat, 4-packing seat, 5-packing device, 6-packing connecting plate, 7-purge port, 8-vent, 9-purge pipeline, 10-vent pipeline, 11-second chamber gas discharge port, 12-first chamber gas discharge port, 13-second chamber drain, 14-first chamber drain, 15-collecting tank, 16-vent channel, 17-drain channel.

Detailed Description

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

As shown in fig. 1, a middle body structure with double isolation cavities comprises an isolation cavity, wherein a packing connecting plate 6 is arranged in the isolation cavity, the periphery of the packing connecting plate 6 is connected with the side wall of the isolation cavity in a sealing way, a packing device 5 is arranged on the packing connecting plate 6, the packing connecting plate 6 and the packing device 5 divide the isolation cavity into a first cavity 2 and a second cavity 1, and a cylinder seat 3 is arranged on the other side of the first cavity 2;

The cylinder seat 3 is connected with a filling seat 4, the filling device 5 penetrates through the first chamber 2 to be connected with the filling seat 4, the second chamber 1 is provided with a purging port 7 and a venting port 8, the purging port 7 is connected with a purging pipeline 9, the venting port 8 is connected with a venting pipeline 10, the purging point and the venting point of the filling device 5 on the filling connecting plate 6 are both positioned in the second chamber 1, the purging pipeline 9 is communicated with the purging point, and the venting pipeline 10 is communicated with the venting point, so that a purging channel is formed to seal the first chamber 2 and the second chamber 1, and gas in the first chamber 2 and the second chamber 1 is prevented from flowing mutually. The leakage gas in the first chamber 2 is left in the first chamber 2, and because the gas leakage possibility exists only at the filler connecting plate 6 between the first chamber 2 and the second chamber 1, the second chamber 1 is used as a standby chamber of the first chamber 2, when the first chamber 2 leaks, the leakage gas leaks to the second chamber 1 instead of being directly discharged outside the chamber, the double-chamber design effectively prevents the gas leakage, ensures the non-random discharge of the leakage gas, and provides conditions for the centralized treatment of the gas.

In addition, the space of the first chamber 2 is smaller than that of the second chamber 1, and the first chamber 2 is smaller, so that the gas in the first chamber 2 can be exhausted.

The top of the first chamber 2 is provided with a first chamber gas discharge port 12; the top of the second chamber 1 is provided with a second chamber gas discharge 11. The bottom of the first chamber 2 is provided with a first chamber drain 14; the bottom of the second chamber 1 is provided with a second chamber drain 13. Still include collection tank 15, second cavity gas discharge port 11, second cavity drain 13, atmospheric vent 8 all communicate with collection tank 15 through the second pipeline, and first cavity gas discharge port 12, first cavity drain 14 all communicate with collection tank 15 through first pipeline.

The gas in the first chamber 2 is discharged by the first chamber gas discharge port 12 and is introduced into the collecting tank 15 for treatment, so that the condition that the gas pressure of the first chamber 2 is too high to enter the cylinder is avoided, the influence of direct discharge on the environment is also avoided, and the gas in the second chamber 1 is discharged by the second chamber gas discharge port 11 and is introduced into the collecting tank 15 for treatment. The first chamber drain 14 can drain the leaked lubricant from the filler device 5, and the second chamber drain 13 can drain the leaked lubricant from the crankcase or the filler device.

The collecting tank 15 is provided with a treatment medium, the collecting tank 15 is provided with a lowest liquid level sensor and a highest liquid level sensor, and a first pipeline and a second pipeline which are communicated with the collecting tank 15 are positioned below the liquid level of the treatment medium, so that the first chamber 2 and the second chamber 1 are ensured to be completely independent and not communicated.

The top of the collecting tank 15 is provided with an exhaust channel 16 for discharging the gas in the collecting tank 15, the exhaust channel 16 is provided with a one-way exhaust valve, so that the gas can be prevented from flowing back during the exhaust, and the bottom of the collecting tank 15 is provided with a liquid discharge channel 17 for discharging the treatment pollutants.

The utility model also provides an emptying system which comprises the medium structure with the double isolation cavities.

It should be understood that these examples are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present utility model, and that all such equivalents are intended to fall within the scope of the present utility model as defined in the appended claims.

Claims

1. The middle body structure with the double isolation cavities is characterized by comprising an isolation cavity, wherein a filler connecting plate (6) is arranged in the isolation cavity, a filler device (5) is arranged on the filler connecting plate (6), the filler connecting plate (6) and the filler device (5) divide the isolation cavity into a first cavity (2) and a second cavity (1), and a cylinder seat (3) is arranged on the other side of the first cavity (2);

The cylinder seat (3) is connected with a packing seat (4), and the packing device (5) penetrates through the first cavity (2) and is connected with the packing seat (4);

Be equipped with on second cavity (1) and sweep mouth (7) and blow vent (8), be connected with on sweeping mouth (7) and sweep pipeline (9), be connected with on blow vent (8) blow vent (10), the sweep point and the blow point of packing device (5) all are located second cavity (1) on packing connecting plate (6), sweep pipeline (9) and sweep the point intercommunication, blow vent (10) and blow vent intercommunication.

2. A double isolated cavity midbody structure according to claim 1, characterized in that the space of the first cavity (2) is smaller than the space of the second cavity (1).

3. A double isolated cavity midbody structure according to claim 1, characterized in that the top of the first cavity (2) is provided with a first cavity gas discharge port (12);

The top of the second chamber (1) is provided with a second chamber gas discharge port (11).

4. A double isolated cavity midbody structure according to claim 3, characterized in that the bottom of the first cavity (2) is provided with a first cavity drain (14);

the bottom of the second chamber (1) is provided with a second chamber drain outlet (13).

5. The double-isolation cavity middle body structure according to claim 4, further comprising a collecting tank (15), wherein the second chamber gas discharge port (11), the second chamber drain port (13) and the vent (8) are communicated with the collecting tank (15) through second pipelines;

The first chamber gas discharge port (12) and the first chamber drain port (14) are communicated with the collecting tank (15) through a first pipeline.

6. A double isolated chamber midbody structure according to claim 5, characterized in that the collection tank (15) is filled with a treatment medium, and the collection tank (15) is provided with a lowest level sensor and a highest level sensor.

7. A double isolated chamber mesostructure according to claim 6, wherein the first and second conduit communicating with said collection tank (15) are both located below the level of the treatment medium.

8. The double-isolation cavity middle body structure according to claim 5, wherein an exhaust channel (16) is arranged at the top of the collecting tank (15), and a one-way exhaust valve is arranged on the exhaust channel (16).

9. A double isolated cavity midbody structure according to claim 5, characterized in that the bottom of the collection tank (15) is provided with a drain channel (17).

10. An evacuation system comprising a double isolated chamber midbody structure as claimed in any one of claims 1 to 9.